The definition of sublimation is:
A) In a closed container, a substance in a liquid state remains in a liquid state regardless of the pressure inside the container.
B) A substance in a solid state changes into the gaseous state without going through the liquid state.
C) In a closed container, a substance in the liquid state boils at a higher temperature when the pressure is increased.
D) A substance in a gaseous state changes into a solid state while by-passing the liquid state.
B
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A. The delta temperature test B. The O2 storage test. C. The delta pressure feedback test. D. Both A and B
Reinforcement must be installed accurately as shown on the _____.
a. specification sheets b. placing drawings c. detail drawings d. floor plans
If 22 oz. of refrigerant are to be added to a refrigeration system and the supply cylinder weighs 24 lb. 12 oz. before any is added, what will be the supply cylinder weight after the system has been charged?
A. 23 lb 12 oz. B. 22 lb 12 oz. C. 22 lb 6 oz. D. 23 lb 6 oz.
A single-____ armature is impractical and has a variety of faults, one of which is the irregularity of the torque that it produces.
a. loop b. drum c. coil d. magnet